its very simple just add the zeros that you need
how do you write 1250 feet
250 to 1
12.5 = 1250%
One thousand, two hundred fifty.
16.08% = 201/1250
One thousand, two hundred fifty.
185,100,000,000
76,600,000,000
2,000,000,000
28,390,000,000
-260,000,000
64,100,000,000